| Niagara Falls to Fatima | 3,546.44 mi (5,707.44 km) |
| Niagara Falls to Felgueiras | 3,512.15 mi (5,652.26 km) |
| Niagara Falls to Ferreira do Zezere | 3,562.46 mi (5,733.23 km) |
| Niagara Falls to Figueira da Foz | 3,520.79 mi (5,666.16 km) |
| Niagara Falls to Funchal | 3,384.27 mi (5,446.45 km) |
| Niagara Falls to Fundao | 3,584.25 mi (5,768.30 km) |
| Niagara Falls to Gafanha da Nazare | 3,511.57 mi (5,651.32 km) |
| Niagara Falls to Gondomar | 3,503.59 mi (5,638.49 km) |
| Niagara Falls to Gouveia | 3,567.65 mi (5,741.58 km) |
| Niagara Falls to Grandola | 3,599.84 mi (5,793.38 km) |
| Niagara Falls to Guarda | 3,578.93 mi (5,759.73 km) |
| Niagara Falls to Guimaraes | 3,504.91 mi (5,640.61 km) |
| Niagara Falls to Horta | 2,613.62 mi (4,206.22 km) |
| Niagara Falls to Idanha-a-Nova | 3,603.79 mi (5,799.73 km) |
| Niagara Falls to Ilhavo | 3,514.88 mi (5,656.66 km) |
